Curved writing instrument



FIG. 1 is a perspective view of the curved writing instrument showing bottom, front, and right sides of our new design;

FIG. 2 is a front view of the curved writing instrument of FIG. 1;

FIG. 3 is a top view of the curved writing instrument of FIG. 1;

FIG. 4 is a right side view of the curved writing instrument of FIG. 1;

FIG. 5 is a rear view of the curved writing instrument of FIG. 1;

FIG. 6 is a left side view of the curved writing instrument of FIG. 1; and,

FIG. 7 is a bottom view of the curved writing instrument of FIG. 1. 

The ornamental design for a curved writing instrument, as shown and described. 